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Catalogue No._ 



Tis Inos.WPowni 
Engineering r~ 
«"•■•" Company 



WASHINGTON.D.C. 



PRESS OF The Sudwarth Printing Co. 

Half-Tone Illustrations bv The National Engraving Co. 

Washington. D, C. 



The Thomas W. Power Engineering Company 

CONSULTING AND CONSTRUCTING ENGINEERS 



Established 1689 




Incorporated 1907 



NEW YORK AND WASHINGTON 



EXECUTIVE OFFICES: 

Washington Loan & TrusT: Building 

Washington, D. C. 



NEW YORK OFFICE: 

Room 326, Postal Telegraph Building 

New York 



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INTRODUCTORY 



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It gives us great pleasure to announce to our patrons that after seventeen years of constant business 
in engineering work of great magnitude, we have found it essential to incorporate in the District of 
Columbia under an act of Congress governing Corporations, the laws of which are probably the strictest 
in this country. 

We have in our employ a corps of skilled electrical, mechanical and civil engineers, with every 
possible facility to design and equip the most complete steam, electric and hydraulic plants. 

We prepare preliminary reports on surveys, furnish specifications and plans for the complete installa- 
tion of power plants in Buildings and Factories. We also have specialists for steam heating and steam 
power work, electric lighting and electric power work, electric transmission as well as complete electric 
railway installations. 

We have Engineers experienced in building Refrigerating and Cold Storage Plants as well as Vacuum 
cleaning apparatus, Steam Laundries and Elevators. 

We also have specialists in steel structural work, who give special attention to the preparation of 
specifications and plans for steel frame work as required for the construction of Bridges, Buildings, and 
Factories. 



Gift 

Ca,rne<rie fo«t 
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While this Company does a great deal of consulting engineering work, preparing plans and specifica- 
tions, supervising and making tests and reports on the general engineering work above mentioned, we are 
also Constructing Engineers and will submit proposals for complete installations of any general 
engineering work. 

We call attention to the illustrations showing the various phases of some of our important work. 

The President and General Manager of our Company has had a most extensive experience covering 
twenty years of constant business in all branches of Engineering Work handled by us throughout the 
United States, as well as in Asia and Europe, keeping constantly in touch with the most modern develop- 
ments of the engineering world, having recently served as the Sole Consulting Engineer to the Commission 
on Award for the United States Congressional Power Plant, consisting of four (4) 2,000 K. W., A. C. Gen- 
erators and four (4) 3,000 H. P. Turbines, together with 15,000 H. P. Steam Boilers, Sub-stations, etc., 
the work in this connection entailing a personal inspection of the most important steam and electrical 
installations in this country during the past year. 



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INTERIOR ENGINE ROOM, U. S. HOSPITAL FOR THE INSANE. 
,000 K. \V. Capacity Generators; 1,600 H. P. capacity of Engines, and Switch-Board. 
Thos. W. Power Co., Consulting Engineers. 




Electric Light and Power Plant. U. 

Thos. W. Power Co., Constructing Engineers. 



S. FILTRATION PLANT, POWER HOUSE. 



Washington, D. C. 




INTERIOR ENGINE ROOM, U. S. FILTRATION PLANT. 

Showine Engines. Generators and Switch-Board. 
Thos. W. Power Co., Constructing Engineers. 



Washington, D. C. 




U. S. SOLDIERS' HOME HOSPITAL. 
One Passenger and one Freight Elevator, and Refrigerating 
Thos. W. Power Co., Consulting Engineers. 



Washington, D. C. 



Apparatus. 



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INTERIOR ENGINE ROOM, U. S. SOLDIERS' HOME. 
Showing Engine, Generators, Boilers and Pumps. 
Thos. W. Power Co., Consulting Engineers. 



Washington, D. C. 




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U. S. CAPITOL BUILDING. 
Seven Passen.ger Electric Elevators and Elevator Enclosures. 
Thos. W. Power Co., Constructing Engineers. 



Washington, D. C. 




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SHOWING BRONZE BALLUSTRADE, U. S. CAPITOL. 
Thos. \V. Power Co., Constructing Engineers. 




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SHOWING U. S. SENATE BOILER ROOM. 
1,500 Horse-power Water-tubular Boilers. 
Thos. W. Power Co., Consulting Engineers. 



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SHOWING U. S. HOUSE OF REPRESENTATIVES BOILER ROOM. 

800 Horse-power, Water-tubular Steam Boilers. 

Thos. W. Power Co., Consulting Engineers. 



Washington. D. C. 




Three (3) 100 K. W. Generators. 
Thos. W Power Co., Constructing Engineers. 



U. S. LIBRARY OF CONGRESS. 



Washington, D. C. 




INTERIOR ENGINE ROOM, U. S. LIBRARY OF CONGRESS. 
Showing Generator Plant. 
Tnos. W. Power Co., Constructing Engineers. 



Washington, D. C. 




Electric Pump and Motor Installation. 
Thos. W. Power Co., Constructing Engineers. 



U. S. EXECUTIVE MANSION. 



Washington, O. C. 




COLORADO BUILDING. 

Showing a Battery of Three Passenger Elevator cars, with Armstrong Flash-signal System. 

Thos. W. Power Co., Constructing Engineers. 



Washington, D. C. 




Power Co., Constructing Engineers. COLORADO BUILDING. 

Showing a Battery of Three (3) High-speed Winding Machines, 
the Passenger Elevators ; speed, 325 feet per minute ; 



Washington, D. C. 



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capacity, 2,500 pounds 



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COLORADO BUILDING. 

Showing Battery of Three (3) Passenger Elevator cars, equipped with Indicator Apparatus. 

Thos. W. Power Co., Constructing Engineers. 



Washington, D. C. 



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Three (3) Passenger Electric Elevators. 
Thos. W. Power Co., Constructing Engineers. 



THE HIGHLANDS APARTMENT HOUSE. 



Washington, D. C. 




Five Passenger Electric Elevators. 
Thos. W. Power Co., Constructing Engineers. 



THE ONTARIO APARTMENT HOUSE. 



Washington, D. C. 



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THE U. S. BUREAU OF STANDARDS. 

One Passenger Elertric Elevator and Elevator Enclosures. 

Thos. W. Power Co., Constructing Engineers. 



Washington, D. C. 




Four passenger elevators. 
W. Power Co., Constructing Engineer 



THE ROCHAMBEAU APARTMENT HOUSE. 



Washington, D. C. 




THE FARRAGUT APARTMENT HOUSE. 

Two Passenger Elevators and Elevator Enclosures. 

Tnos. W. Power Co., Constructing Engineers. 



Washington, D. C. 




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THE PROVIDENCE HOSPITAL. 

One Passenger Elevator and one Automatic Electric Dumb-waiter. 

Thos. W. Power Co., Constructing Engineers. 



Washington, D. C. 







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Complete Electric Lighting Plant, Elevator Plant THE SHOREHAM HOTEL. 

and Heating Plant. Hon. L. P. Morton, Ex-Vice-President U. S., owner. 

Thos. W. Power Co., Constructing Engineers. 



Washington, D. C. 




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Showing 50 K. W. Unit and Switch-board. 
Thos. W. Power Co., Constructing Engineers. 



SHOREHAM HOTEL. 



Washington, D. C. 




Showing 75 K. W. or ioo K. W. Unit. 
Thos. W. Power Co., Constructing Engineers. 



SHOREHAM HOTEL. 



Washington, D. C. 




Two passenger elevators. 
Thos. W. Power Co., Constructing Engineers. 



ADMINISTRATION BUILDING, 
S. HOSPITAL FOR THE INSANE. 



Washington, D. C. 



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Two Passenger Electric Elevators. 
Thos. W. Power Co., Constructing Engineers 



THE WYOMING APARTMENT HOUSE. 



Washington, D. C. 



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Two Passenger Electric Elevators. THE FLORENCE-COURT APARTMENT HOUSE. 

Thos. W. Power Co., Constructing Engineers. 



Washington, D. C. 




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THE MENDOTA APARTMENT HOUSE. 

Two Passenger Elevators and Elevator Enclosures. 

Thos. W. Power Co., Constructing" Engineers. 



Washington, D. C. 




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Complete Electric Lighting Plant. THE HEURICH BREWING COMPANY'S 

Ihos. W. Power Co., Constructing Engineers. BUILDINGS. 



Washington, D. C. 



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ENGINE ROOM, HEURICH BREWING CO. 

Showing 75 K. W. Generator, Engine and Switch-board. 

Thos. W. Power Co., Constructing Engineers. 



Washington, D. C. 




ENGINE ROOM, HEURICH BREWING CO. 

Showing 25 K. W. Generator, Engine and Switch-board. 

Thos. W. Power Co., Constructing Engineers. 



Washington, D. C. 




U. S. BUREAU OF ENGRAVING AND PRINTING BUILDING. 

Generator and Motor Plane. 

Thos. W. Power Co., Constructing Engineers. 



Washington, D. C. 




THE HAWARDEN APARTMENT HOUSE. 

One Passenger Electric Elevator and Elevator Enclosures. 

Thos. W. Power Co., Constructing Engineers. 



Washington, D. C. 




One Passenger Elevator and Elevator Enclosures. THE PLAZA APARTMENT HOUSE 
Thos. W. Power Co., Constructing Engineers. 



Washington, D. C. 



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NATIONAL HOMEOPATHIC HOSPITAL 



Washington, D. C. 



One Passenger Elevator, Elevator Enclosures and Electric Pump and Motor Installation. 
Thos. \V. Power Co., Constructing Engineers. 




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THE SHERMAN APARTMENT HOUSE. 

One Passenger Elevator and Elevator Enclosures. 

Thos. W. Power Co., Constructing Engineers. 



Washington, D. C. 



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THE HOTEL STRATFORD. 

Complete Electric Lighting Plant, Storage Batteries, Passenger Elevator and Elevator Enclosures. 

Thos. W. Power Co., Constructing Engineers. 



Washington, D. C. 




One Passenger Electric Elevator. 
Thos. W. Power Co., Constructing Engineers. 



THE METROPOLITAN HOTEL. 



Washington, D. C. 



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Two Passenger Elevators and Two Automatic 

Electric Dumb-waiters. 

Thos. YV. Power Co., Constructing Engineers. 



THE METROPOLITAN CLUB. 



Washington, D. C. 




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Four Passenger Electric Elevators. THE BURLINGTON APARTMENT HOUSE. 
Thos. W. Power Co., Constructing Engineers. 



Washington, D. C. 



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THE WOODLEY APARTMENT HOUSE. 

Ornamental Elevator Enclosures and Elevator Car. 

Thos. YV. Power Co., Constructing Engineers. 



Washington, D. C. 



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One Electric Automatic Dumb-waiter. NEW TERMINAL RAILROAD STATION. 

Thos. W. Power Co., Constructing Engineers. 



Washington, D. C. 







Showing Four (4) 750 H. P. Condensers. 
Thos. W. Power Co., Constructing Engineers. 



U. S. NAVY YARD POWER HOUSE. 



Washington, D. C. 



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Electric Motors and Ventilating Apparatus. U. S. COURT HOUSE AND CITY HALL. 

Thos. W. Power Co., Constructing Engineers. 



Washington, D. C. 




Showing Ornamental Elevator Enclosures. THE BRUNSWICK APARTMENT HOUSE. 
Thos. \V. Power Co., Constructing Engineers. 



Washing'.on, D. C. 



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ELECTRIC LIGHT PLANTS— WASHINGTON, D. C. 



XI. S. Library of Congress — Dynamo and motor plants. 

U. S. Bureau of Engraving and Printing — Dynamo and motor 
plant. 

U. S. Court House — Ventilating apparatus complete. 

U. S. Senate — Motors and ventilating apparatus. 

U. S. Hospital Insane — Complete engine, dynamo and switch- 
board . 

V. S. Hospital Insane — +00 H. P. engine and two 100 K. W's. 

U. S. Hospital Insane — Complete new power plant. 

U.S. Hospital Insane— Two 600H. P. engines and two 325 K.W'.s 

U. S. Hospital Insane— 200 H. P. engine and two 50 K. W's. 

U. S. Soldiers' Home — Dynamo and engine plant. 

Shoreham Hotel — Complete steam, electric and hydraulic plant. 

Hotel Gordon — Dynamo plant. 

Heurich's Brewery — Complete dynamo and engine plant. 

National Capital Brewery — Complete dynamo and engine plant. 

Rosslyn Packing Company — Dynamo plant. 

Chapin & Sacks — Complete dynamo, engine plant. 

Hotel Stratford — Dynamo, engine and motor plant complete. 



Kretol Chemical Company — Dynamo, engine and motor plant 
complete. 

Alexandria Shoe Company — Generators, engine and motor 
plant. 

Arlington Bottling Works — 25 K. W. generator, engine and 
switchboard. 

Heurich Brewing Company, 2d Order — 75 K. W. generator, 
engine and switchboard. 

U. S. Filtration Plant— 25 K. W. and 50 K. W. generator, 
engines and switchboard. 

Southern Railway Company, Pinuers Point, Va. — Electric arc- 
light plant. 

Southern Railway Company, Salisbury, N. C, — Electric arc- 
light plant. 

Southern Railway Company, Greensboro, N. C. — 25 K. W. 
generator plant. 

Capital Railway Company, 1st Order — 100 K. W. generator. 

Capital Railway Company, 2d Order — 200 K. W. generaor. 



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STEAM BOILER AND HEATING PLANTS— WASHINGTON, D. C. 



U. S. Capitol— 2100 H. P. steam boilers. 

U. S. House of Representatives — 600 H. P. steam boilers. 

U. S. Senate— 1500 H. P. steam boilers. 

U. S. Soldiers' Home — Complete steam boiler plant. 

Shoreham Hotel — Complete steam boiler plant. 

Alexandria Shoe Company — Complete steam and boiler plant. 



Kretol Chemical Plant Company — Complete steam and boiler 

plant. 
Washington Navy Yard — Four condensers, 750 H. P. each. 
Business High School — Engine, pump and heating coil. 
Armstrong Training School — Pump, boilers, etc. 



PASSENGER ELEVATORS WASHINGTON, D. C. 



U. S. Capitol — Seven electric passenger elevators. 

U. S. House of Representatives — Two electric passenger eleva- 
tors. 

U. S. Senate — Two electric passenger elevators. 

U. S. Supreme Court — One electric passenger elevator. 

U. S. Capitol Committee Rooms — Two passenger elevators. 

U. S. Hospital Insane — Two electric passenger elevators. 

U. S. Soldiers' Home — One electric passenger elevator and one 
freight elevator. 

Shoreham Hotel — Three passenger elevators, one freight eleva- 
tor and one automatic passenger elevator. 

Columbian Building — Two passenger elevators. 

Hotel Stratford — One passenger elevator. 

Providence Hospital — One passenger elevator and one electric 
dumb-waiter. 

Gladstone Apartment House — One passenger elevator. 

Hawarden Apartment House — One passenger elevator. 

Marlborough Apartment House — One passenger elevator and 
freight. 

Farragut Apartment House — Two passenger elevators and 
freight. 

Plaza Apartment House — One passenger elevator. 

Sherman Apartment House — One passenger elevator and 
freight. 

Albermarle Apartment House — One passenger elevator. 

Rochambeau Apartment House — Four passenger elevators and 
two freight. 

Meudota Apartment House — Two passenger elevators. 

Rich Shoe Building — One passenger elevator. 

Davidson Building — One passenger elevator. 

Southern Railway Building — Three passenger elevators. 

Iowa Apartment House — One passenger elevator and freight. 

Jenifer Building — One passenger elevator. 

Bond Building — Two passenger elevators. 

The Highlands — Three passenger elevators and freight. 

Ontario Apartment House — Two passenger elevators and service. 

Philipsborn Building — One passenger elevator. 

Colorado Building — Four passenger elevators and freight. 



Hammond Building — One passenger elevator. 

Homeopathic Hospital — One passenger elevator. 

Florence Court Apartment House — Two passenger elevators. 

Laclede Apartment House — One passenger elevator. 

U. S. Bureau of Standards— One passenger elevator. 

Wyoming Apartment House — Two passenger elevators. 

Portland Hotel — One passenger elevator. 

Metropolitan Hotel — One passenger elevator. 

Virginia State Insurance Co. Bldg., Richmond, Va. — One 
passenger elevator. 

Hammond Building, 2d Order — One passenger elevator. 

Ontario Apartment House, 2d Order — Three passenger eleva- 
tors. 

Florence Court Apartment House — Two passenger elevators. 

Philipsborn Biulding, 2d Order — One passenger elevator. 

Southern National Bank Building, Wilmington, N. C. — One 
passenger elevator. 

Burlington Apartment House — Four passenger elevators. 

Willard- Kellogg Building — One passenger elevator. 

Metropolitan Club Building — Two electric automatic dumb- 
waiters. 

Metropolitan Club Building — One passenger elevator. 

Metropolitan Club Building — One passenger automatic eleva- 
tor. 

Assistant Secretary State Department, Hon. Robert Bacon, 
Residence — One passenger automatic electric elevator and 
one electric automatic dumb-waiter. 

Home for Incurables — One passenger automatic elevator. 

General Johnson, U. S. A. — One passenger automatic elevator. 

Washington New Terminal Station — One electric automatic 
dumb-waiter. 

Epiphany Office Building — One passenger elevator. 

Clark-Davenport Building — One passenger elevator. 

General Corbin, U. S. A. — One passenger automatic electric 
elevator. 

George Howard, Esq., Residence — One passenger automatic 
electric elevator and one electric automatic dumb-waiter. 



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ELEVATOR ENCLOSURES WASHINGTON, D. C. 



U. S. House of Representatives — Solid bronze railing and risers 

and gallery balustrade. 
U. S. House of Representatives — Elevator enclosures. 
U. S. Senate — Elevator enclosures. 
U. S. Supreme Court — Solid bronze railing work. 
U. S. Capitol Committee Rooms — Elevator car and enclosures. 
U. S. Capitol Centre Vestibule — Solid bronze stair rails and 

banisters. 
U. S. Capitol Committee Rooms — Bonze stairway. 
Shoreham Hotel — Elevator enclosures. 
Columbian Building — Elevator enclosures. 
Hotel Stratford — Bronze elevator enclosures. 
U. S. Hospital Insane — Elevator car enclosures. 
Southern Railway Building — Elevator car enclosures. 
Arlington Hotel — Elevator enclosures. 
Bond Building — Elevator enclosures. 
Colorado Building — Elevator car enclosures. 
Gladstone Apartment House — Elevator enclosures. 
Hawarden Apartment House — Elevator enclosures. 
Marlborough Apartment House — Elevator car enclosure. 
Farragut Apartment House — Elevator enclosures. 
Cecil Apartment House — Elevator enclosures. 
Woodley Apartment House — Elevator enclosures. 
Windsor Apartment House — Elevator enclosures. 
Plaza Apartment House — Elevator enclosures. 



Sherman Apartment House — Elevator enclosures. 
Albemarle Apartment House — Elevator enclosures. 
Mendota Apartment House — Elevator enclosures. 
Rich Shoe Store — Elevator Enclosures. 
Davidson Building — Elevator enclosures 
Iowa Apartment House — Elevator enclosures. 
Jenifer Building — Elevator enclosures. 
The Highlands — Elevator car enclosures. 
Ontario Apartment House — Elevator car enclosures. 
Hammond Building — Elevator enclosures. 
Occidental Building — Elevator enclosures. 
Philipsborn Building — Elevator enclosures. 
U. S. Dept. Commerce and Labor — Elevator enclosures. 
U. S. Bureau of Standards — Elevator enclosures. 
Homeopathic Hospital — Elevator enclosures. 
Willard Building — Elevator enclosures. 
McGill Building — Elevator enclosures. 
Brunswick Apartment House — Elevator enclosures. 
Philipsborn Building — Elevator enclosures. 
Strong Building — Elevator enclosures. 
Laclede Apartment House — Elevator enclosures. 
Laclede Apartment House — Iron stairway. 

Washington Loan and Trust Bldg. — Bronze elevator enclos- 
ures. 



■■■■■■■^■B 



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BELTED TYPE OF ELEVATOR MOTORS AND CONTROLLERS— WASHINGTON, D. C. 



Wilkins & Co. — Elevator motor anil controller. 

Smoot & Co.— Motor. 

Bliss Building — Elevator motor and controller. 

Pillsbury Mill— Motor plant. 

U. S. Agricultural Dept., Branch — Elevator motor and con- 
troller. 

N. H. Shea's Store — Elevator motor and controller. 

C H. Javins' Sons; Cold Storage Plant — Elevator motor and 
controller. 

Haines' Store — Elevator motor and controller. 

Orr & Company's China Store — Elevator motor and controller. 

Metropolitan Club — Elevator motor and controller. 



Simms, Kelley, Grocers — Motor and controller. 

Jarvis Photograph Bldg. — Elevator motor and controller. 

Chapin & Sacks — Elevator motor and controller. 

Army and Navy Storage Bldg. — Elevator motor and controller. 

Brown & Tolson Building — Elevator motor and controller. 

"Wallerstein Bros., 212 10th St. — Elevator motor and controller. 

Frank Hume, 424 Penn. Ave. — Elevator motor and controller. 

C. G. Sloan & Co., 1407 G St.— Elevator motor aud controller. 
Albert Shulties Building, 1st and Decator Sts., N. E. 

D. F. Groff Building, 819 9th St., X. W. 

J. D. Meinburg Building, 716 11th St., S. E- 



HYDRAULIC STEAM AND ELECTRIC PUMPS— WASHINGTON, D. C. 



U. S. Executive Mansion — Electric pump and motor. 

Baltic Hotel — Electric pump and motor. 

Consumers Brewery — Hydraulic plant complete. 

Columbian Building" — Pump plant complete. 

Marlborough Apartment House — One electric house pump and 

motor. 
Kretol Chemical Company — Hydraulic plant complete. 
Alexandria Shoe Company — Hydraulic power plant. 
Bond Building — One combined motor and pump. 
Pope Building — Electric pump and motor. 
U. S. Dept. of Justice — Electric pump and motor. 
Homeopathic Hospital — Electric pump and motor. 
U. S. Senate — One boiler feed pump. 



Marlborough Apartment House, 2d Order — Electric pump and 

motor. 
U. S. House of Representatives — One boiler feed pump. 

In the above installations the largest steam or electric plants 
as regards boilers are 2500 H. P. and the smallest 100 H. P. ; 
of engines 2000 H. P. and the smallest 20 H. P. ; of dynamos, 
or generators 1500 K. W. and the smallest 15 K. W. ; of pas- 
senger elevators the highest speed 350 feet per minute, capacity 
3000 pounds ; of freight elevators 200 feet per minute, capacity 
S000 pounds; smaller elevator installations both passenger and 
freight and automatic down to as low as 200 pounds at 50 feet 
per minute. 






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